TY - T1的气道炎症症状and asymptomatic children with methacholine hyperresponsiveness JF - European Respiratory Journal JO - Eur Respir J SP - 829 LP - 829 VL - 7 IS - 4 AU - Brand, PL Y1 - 1994/04/01 UR - //www.qdcxjkg.com/content/7/4/829.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -